It is not only people who are trying to beat poverty that gamble, many rich people still gamble but show these character of violence, aggression and anger. So it cannot just be gambling alone, but can also be linked with financial insecurity. Some people easily get angry, violent or aggressive near the point where they do not have enough money for expenditures. This is why people who gamble and loose money start feeling insecure financially because they are loosing money, so they become easily angry, violent or aggressive.